Best Cheesy Potato Casserole - cooking recipe

Ingredients

3/4 cup onion
1/2 cup butter, melted
2 lbs frozen hash brown potatoes
2 (10 1/2 ounce) cans cream of chicken soup
2 cups sour cream
2 cups shredded cheddar cheese (I like sharp the best)
1 teaspoon salt
1/2 teaspoon pepper
breadcrumbs (optional)

Preparation

Mix all together, put into 9x13inch pan, top with bread crumbs. Bake 45 min @ 350.